Material:ABSPowered By: 1*AA Carbon Battery(Not Included)*The bell case adopts ABS new raw material injection frame.*The clock face is made of PVC material and UV printing technology.*The bell cover is made of high-transparency glass, which effectively protects the clock face and prevents dust from polluting the clock face.*The back shell of this product is made of ABS engineering plastic, which is very beautiful and has strong support.*Movement type: Silent movement